EP3832203A1 - Led-glühlampe - Google Patents

Led-glühlampe Download PDF

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Publication number
EP3832203A1
EP3832203A1 EP20161420.3A EP20161420A EP3832203A1 EP 3832203 A1 EP3832203 A1 EP 3832203A1 EP 20161420 A EP20161420 A EP 20161420A EP 3832203 A1 EP3832203 A1 EP 3832203A1
Authority
EP
European Patent Office
Prior art keywords
led
light
light source
transmissive housing
source assembly
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP20161420.3A
Other languages
English (en)
French (fr)
Inventor
Yanzeng GAO
Hongkui JIANG
Wenchang HUANG
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Xiamen Eco Lighting Co Ltd
Original Assignee
Xiamen Eco Lighting Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Xiamen Eco Lighting Co Ltd filed Critical Xiamen Eco Lighting Co Ltd
Publication of EP3832203A1 publication Critical patent/EP3832203A1/de
Withdrawn legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
    • F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
    • F21K9/20—Light sources comprising attachment means
    • F21K9/27—Retrofit light sources for lighting devices with two fittings for each light source, e.g. for substitution of fluorescent tubes
    • F21K9/278—Arrangement or mounting of circuit elements integrated in the light source
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V23/00—Arrangement of electric circuit elements in or on lighting devices
    • F21V23/003—Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array
    • F21V23/004—Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array arranged on a substrate, e.g. a printed circuit board
    • F21V23/005—Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array arranged on a substrate, e.g. a printed circuit board the substrate is supporting also the light source
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
    • F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
    • F21K9/20—Light sources comprising attachment means
    • F21K9/23—Retrofit light sources for lighting devices with a single fitting for each light source, e.g. for substitution of incandescent lamps with bayonet or threaded fittings
    • F21K9/232—Retrofit light sources for lighting devices with a single fitting for each light source, e.g. for substitution of incandescent lamps with bayonet or threaded fittings specially adapted for generating an essentially omnidirectional light distribution, e.g. with a glass bulb
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2103/00—Elongate light sources, e.g. fluorescent tubes
    • F21Y2103/10—Elongate light sources, e.g. fluorescent tubes comprising a linear array of point-like light-generating elements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2115/00—Light-generating elements of semiconductor light sources
    • F21Y2115/10—Light-emitting diodes [LED]

Definitions

  • the present application relates to the technical field of LED luminaire, and more particularly to a LED bulb.
  • LED filament lamp products with low energy consumption and wider application.
  • the LED filament lamps sold on the market are generally assembled with a light source components and a drive component, such a structural design requires more processes, and the entire production process cannot be compatible with the traditional incandescent production process.
  • the production line needs to be transformed by the manufacturer investing a lot of manpower and material resources, which leads to the high production cost of LED filament lamps.
  • An object of the present application is to provide a LED bulb, including but not limited to, solving the technical problem that the production process of the LED filament lamp cannot be compatible with the traditional incandescent lamp production process.
  • the present application provides a LED bulb, including: a light-transmissive housing; a lamp holder, covering at an opening of the light-transmissive housing; a core column, received in the light-transmissive housing and covering the opening of the light-transmissive housing; and a light source assembly, fixed to the core column; the light source assembly includes:
  • the lamp holder is provided therein with a fuse or a fuse resistance, and the electrodes are electrically connected with the lamp holder through the fuse or the fuse resistance.
  • the light source assembly further includes: a rectifier module, fixed to the substrate, and the constant current driver module is electrically connected with the electrodes through the rectifier module.
  • the rectifier module is a bridge rectifier or a discrete diode.
  • the light-transmissive housing is filled with a highly thermally conductive gas.
  • the highly thermally conductive gas is any one selected from the group consisting of helium, hydrogen, a helium-oxygen mixture gas, and a helium-hydrogen mixture gas.
  • the core column comprises a base, a support rod and two electric lead-out wires; a bottom of the base covers the opening of the light-transmissive housing such that an interior of the light-transmissive housing is enclosed to form a closed space, the support rod is fixed to the base, an end of the two electric lead-out wires extends into the closed space to be connected with the electrodes of the light source assembly, and the other end of the two electric lead-out wires passes through the base to be connected with the lamp holder.
  • the inside of the base is formed with an exhaust channel and the base defines therein with an exhaust hole in communication with the exhaust channel.
  • the LED chipset comprises a plurality of front-mounted LED chips or flip-chip LED chips spaced apart, and the plurality of front-mounted LED chips or flip-chip LED chips are connected in series and / or in parallel.
  • the light-transmissive housing is any one selected from the group consisting of a high borosilicate glass bulb, a soda-lime glass bulb, and a Schott glass bulb.
  • the beneficial effect of the LED bulb provided by the present application is that the LED chipset and the constant current driver module are combined and packaged on the same light source assembly, which does not need to provide an additional drive assembly, the subsequent assembly processes is reduced, such that only needs to use the light source assembly to replace the tungsten filament to make a traditional incandescent lamp into a LED filament lamp during production.
  • the technical problem that the production process of the LED filament lamp cannot be compatible with the traditional incandescent lamp production process is effectively solved, the cost of transformation the production equipment and production process are saved, and the production efficiency of LED filament lamps is improved.
  • a component when referred to as being “fixed to” or “disposed on” another component, it can be directly or indirectly on another component.
  • a component When a component is referred to as being “connected to” another component, it can be directly or indirectly connected to another component.
  • a component When a component is referred to as being “electrically connected” to another component, it can be a conductor electrical connection, or a wireless electrical connection, or any other connection that can transmit electrical signals.
  • orientations or positional relationships indicated by the terms “up”, “down”, “left”, “right” and the like are based on the orientations or positional relationships shown in the drawings, and are for ease of description only, and do not indicate or imply the device referred Or the element must have a specific orientation, structure and operation in a specific orientation, so it cannot be understood as a limitation on the present application.
  • the specific meanings of the above terms in the present application can be understood according to specific situations.
  • the LED bulb 1 includes a light-transmissive housing 10, a lamp holder 20, a core column 30, and a light source assembly 40; the lamp holder 20 covers at an opening of the light-transmissive housing 10, and the core column 30 covers the opening of the light-transmissive housing 10, and the light source assembly 40 is fixed to the core column 30.
  • the light source assembly 40 includes a substrate 41, an LED chipset 42, and two electrodes 43, a constant current driver module 44, and fluorescent glue 46;
  • the LED chipset 42 is fixed to the substrate 41, and the two electrodes 43 are fixed at the substrate 41, and preferably, the two electrodes 43 are respectively fixed at opposite ends of the substrate 41, and the two electrodes 43 are electrically connected to the lamp holder 20,
  • the constant current driver module 44 is fixed to the substrate 41
  • the constant current driver module 44 is electrically connected to the LED chipset 42 and the electrodes 43
  • the fluorescent glue 46 covers the substrate 41, and the fluorescent glue 46 wraps the LED chipset 42 and the constant current driver module 44.
  • the light source assembly 40 further includes a wire 45, which can be provided independently or printed on the substrate 41 by using an electronic printing process, the LED chipset 42 and the electrode 43 are connected to the constant current driver module 44 through the wire 45, respectively;
  • the constant current driver module 44 is an LED constant current drive chip.
  • the lamp holder 20 When in use, the lamp holder 20 is plugged into the lamp base, and external power or mains power is supplied to the constant current driver module 44 through the lamp holder 20 and the electrodes 43. After the constant current driver module 44 is powered on, the light emitted by the LED chipset 42 is uniformly scattered outward by the fluorescent glue 46.
  • the LED bulb 1 provided by the present application adopts the LED chipset 42 and the constant current driver module 44 to be packaged on the same light source assembly 40, which does not need to provide an additional drive assembly, the subsequent assembly processes is reduced, such that only needs to use the light source assembly 40 to replace the tungsten filament to make a traditional incandescent lamp into a LED filament lamp during production.
  • the technical problem that the production process of the LED filament lamp cannot be compatible with the traditional incandescent lamp production process is effectively solved, the cost of transformation the production equipment and production process are saved, and the production efficiency of LED filament lamps is improved.
  • a fuse or a fuse resistance 200 is provided in the lamp holder 20.
  • the electrodes 43 are electrically connected with the lamp holder 20 through the fuse or the fuse resistance 200, that is, the light source assembly 40 is overcurrent and overheat protected through a fuse or a fuse resistance 200 to ensure the safe use of the LED bulb 1.
  • the light source assembly 40 further includes a rectifier module 47, which is fixed to the substrate 41.
  • the constant current driver module 46 is electrically connected to the electrode 43 through the rectifier module 47.
  • the constant current driver module 46, the rectifier module 47 and the electrodes 43 are connected in sequence through the wire 45, after the electrodes 43 are connected to the external power source or the mains power, the current flows through the rectifier module 47, and then the current is converted from alternating current into direct current to be flowed into the constant current driver module 46, it is ensured that the constant current driver module 46 can operate normally.
  • the constant current driver module 46 and the rectifier module 47 may be separately installed on two light source assemblies.
  • the LED bulb needs to be equipped with at least one light source assembly having the constant current driver module 46 and at least one light source assembly having the rectifier module 47, and the light source assembly having the rectifier module 47 is connected with an input terminal of the current of the LED bulb, and the light source assembly having the constant current driver module 46 is connected with the light source assembly having the rectifier module 47.
  • the rectifier module 47 is a bridge rectifier or a discrete diode.
  • the light-transmissive housing 10 is filled with a highly thermally conductive gas.
  • the highly thermally conductive gas is any one selected from the group consisting of helium, hydrogen, a helium-oxygen mixture gas, and a helium-hydrogen mixture gas.
  • the highly thermally conductive gas may also be another inert gas or mixture gas having a thermally conductive function, which is not limited herein. In this way, with the assistance of a highly thermally conductive gas, the heat dissipation efficiency of the LED bulb 1 is greatly improved.
  • the core column 30 includes a base 31, a support rod 32, and two electric lead-out wires 33, the bottom of the base 31 covers the opening of the light-transmissive housing 10 for enclosing the interior of the light-transmissive housing 10 to form a closed space 100.
  • the support rod 32 is fixed to the base 31.
  • One end of the two electric lead-out wires 33 extends into the closed space 100, the other end of the two electric lead-out wires 33 passes through the base 31 to be connected with the lamp holder 20.
  • the support rod 32 is fixed to the end surface of the base 31 away from the opening of the light-transmissive housing 10 and is used to support the light source assembly 40, the two electric lead-out wires 33 pass through the base 31 and are used to connect the light source assembly 40 and the lamp holder 20.
  • the highly thermally conductive gas is filled in the closed space 100, and the heat generated by the light source assembly 40 can be quickly transmitted to the light-transmissive housing 10.
  • an exhaust channel 311 is formed inside the base 31, and an exhaust hole 312 is provided on the base 31.
  • the exhaust hole 312 is in communication with the exhaust channel.
  • the exhaust channel 311 penetrates the base 31, and two exhaust holes 312 are formed on the base 31 at opposite ends of the exhaust channel 311, one of which is in communication with the outside air, and the other exhaust hole 312 is in communication with the closed space 100 inside the light-transmissive housing 10.
  • the external evacuation equipment can exhaust the air in the closed space 100 through the exhaust channel 311 and the exhaust holes 312; when the highly thermally conductive gas is filling, the highly thermally conductive gas can be injected into the closed space 100 through the exhaust channel 311 and the exhaust holes 312; when the highly thermally conductive gas is filled, the exhaust hole 312 in communication with the external air only needs to be blocked to ensure the closed space 100 enclosed of the interior of the light-transmissive housing 10 from leaking of highly thermally conductive gas.
  • the LED chipset 42 includes a plurality of front-mounted LED chips 420 or a plurality of flip-chip LED chips, the plurality of front-mounted LED chips 420 or the plurality of flip-chip LED chips are spaced with each other, and the plurality of front-mounted LED chips 420 or the plurality of flip-chip LED chips are connected in series and / or in parallel. That is, the plurality of front-mounted LED chips 420 or the plurality of flip-chip LED chips are connected in series with each other through the wires 45, or are connected in parallel with each other, or are partially connected in series, and the other are connected in parallel.
  • the light-transmissive housing 10 is any one selected from the group consisting of a high borosilicate glass bulb, a soda lime glass bulb, and a Schott glass bulb.
  • the light-transmissive housing 10 may also be a bulb housing made of thermally conductive plastic, which is not limited herein.

Landscapes

  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Fastening Of Light Sources Or Lamp Holders (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
EP20161420.3A 2019-12-03 2020-03-06 Led-glühlampe Withdrawn EP3832203A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201922138629.3U CN211450400U (zh) 2019-12-03 2019-12-03 Led灯泡

Publications (1)

Publication Number Publication Date
EP3832203A1 true EP3832203A1 (de) 2021-06-09

Family

ID=70008243

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20161420.3A Withdrawn EP3832203A1 (de) 2019-12-03 2020-03-06 Led-glühlampe

Country Status (2)

Country Link
EP (1) EP3832203A1 (de)
CN (1) CN211450400U (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022247028A1 (zh) * 2021-05-24 2022-12-01 杭州杭科光电集团股份有限公司 一种灯和灯的生产工艺

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20180031218A1 (en) * 2015-03-12 2018-02-01 GE Lighting Solutions, LLC Led lamp with encapsulated driver and safety circuit
US20180045380A1 (en) * 2016-08-15 2018-02-15 Zhejiang Yankon Mega Lighting Co., Ltd. Led filament and led light bulb comprising the same
US20180328544A1 (en) * 2017-05-12 2018-11-15 Ledvance Gmbh Glass lamps containing COBs with integrated electronics
US20190195435A1 (en) * 2017-12-26 2019-06-27 Zhejiang Z-Light Optoelectronics Co.,Ltd. Led filament lamp

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20180031218A1 (en) * 2015-03-12 2018-02-01 GE Lighting Solutions, LLC Led lamp with encapsulated driver and safety circuit
US20180045380A1 (en) * 2016-08-15 2018-02-15 Zhejiang Yankon Mega Lighting Co., Ltd. Led filament and led light bulb comprising the same
US20180328544A1 (en) * 2017-05-12 2018-11-15 Ledvance Gmbh Glass lamps containing COBs with integrated electronics
US20190195435A1 (en) * 2017-12-26 2019-06-27 Zhejiang Z-Light Optoelectronics Co.,Ltd. Led filament lamp

Also Published As

Publication number Publication date
CN211450400U (zh) 2020-09-08

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